| ↑ | 546 | inorganic chemistry |   → 551.9 572.51 |   | | ↑ | 546.2 | hydrogen and its compounds | | | | ↑ | 546.24 | acids | | | | ↑ | 546.3 | metals, metallic compounds, alloys | → 620.16 669 | | | ↑ | 546.34 | salts | | | | ↑ | 546.4 | group 3, lantanids, actinids | | | | ↑ | 546.41 | lantanids, rare earths | | | | ↑ | 546.42 | actinids | | | | ↑ | 546.5 | groups 4 to 7: of titanium, vanadium, chrome, manganese | | | | ↑ | 546.6 | groups 8 to 14 | | | | ↑ | 546.625 | nickel | | | | ↑ | 546.671 | boron | | | | ↑ | 546.7 | groups 15 to 18: chalcogens, alogens, noble gases | | | | ↑ | 546.8 | periodic law and table | | |
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